Notable Tuesday Option Activity: ICUI, DDD, MRK

Looking at options trading activity among components of the Russell 3000 index, there is noteworthy activity today in ICU Medical Inc (ICUI), where a total volume of 612 contracts has been traded thus far today, a contract volume which is representative of approximately 61,200 underlying shares (given that every 1 contract represents 100 underlying shares). That number works out to 48.2% of ICUI's average daily trading volume over the past month, of 126,985 shares..